Question

The small test - "Galaxy" 1) How many galaxies are the since universe? a) Hundreds b) Millions c) Billions 2) How many kilometers is an astronomical unit? a) 150 million b) 170 million c) 180 million 3) How many kilometers is a light-year? a) 7,46 trillion b) 8,46 trillion c) 9,46 trillion 4) Which planet is closes to the sun? a) Mercury b) Venus c) Mars​

Answer 1

Ответ:

1) c , Billions

2) a , 150 million

3) a , 7,46 trillion

4) a , Mercury

Answer 2

The answers to the small test are as follows:

1. c) Billions
2. a) 150 million
3. a) 7.46 trillion
4. a) Mercury

Please note that these answers are based on the most commonly accepted scientific knowledge up until my last knowledge update in September 2021.